Maxell’s CR2032 is a compact, high-energy-density lithium manganese dioxide (Li/MnO₂) coin cell battery. It delivers a nominal voltage of 3 V and a typical capacity of around 220 mAh, with dimensions of approximately 20 mm in diameter and 3.2 mm in height. It performs reliably across temperatures from –20 °C to +85 °C, making it ideal for low-drain electronics that require long-term stable power.
